index.md

---

title: Const
slug: WebAssembly/Reference/Numeric/Const

---

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The const instructions, are used to declare numbers.

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Syntax

;; push `5` onto the stack
i32.const 5

Instruction	Binary opcode
i32.const	0x41
i64.const	0x42
f32.const	0x43
f64.const	0x44